Dataset Paper

Longitudinal Observation of Japanese Lancelet, Branchiostoma japonicum, Metamorphosis

Table 1

Number, Mean, and SD of body lengths (mm) of staged living individuals measured with objective micrometer on the date indicated, which were selected from pooled culture in a container.

StagesPremetamorphosisM1M2M3JuvenileJuvenileJuvenileJuvenile
27/09/201124/09/201124/09/201123/09/20118/10/201119/10/201129/10/201112/11/2011

Number813121112141212
Mean5.655.755.715.86.287.147.969.17
SD0.180.220.190.180.290.330.420.56

M1: thickening of secondary gill series; M2: bisection of secondary gill pores; M3: pairing of gill slits.